package com.zhoucs.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Target;

/**
 * @ClassName: NotNull
 * @Description: 标注参数、属性、方法不可为 Null 
 * @author: zhoucs
 */
@Target({ElementType.PARAMETER, ElementType.FIELD, ElementType.METHOD})
public @interface NotNull {

}
